Finding the Fourth Proportional to 78,461.75, 117,626.30 and 34,055.12

Step by Step Solution

1. Step 1: Write the proportion equation
   78,461.75 : 117,626.30 = 34,055.12 : x
2. Step 2: Convert to fraction form
   78,461.75/117,626.30 = 34,055.12/x
3. Step 3: Cross multiply
   78,461.75x = 117,626.30 × 34,055.12
4. Step 4: Simplify right side
   78,461.75x = 4,005,777,003.25
5. Step 5: Solve for x
   x = 4,005,777,003.25/78,461.75
6. Step 6: Final answer
   x = 51,053.89